mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-22 23:13:01 +00:00
yuhan6665
GitHub
parent
bf4b1fab3c
commit
9112cfd39c
3
.github/docker/files/config.json
vendored
3
.github/docker/files/config.json
vendored
@ -6,8 +6,7 @@
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"clients": [
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{
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"id": "1eb6e917-774b-4a84-aff6-b058577c60a5",
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"level": 1,
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"alterId": 64
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"level": 1
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}
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]
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}
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@ -30,11 +30,10 @@ func (c RequestCommand) TransferType() TransferType {
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}
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const (
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// RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
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// [DEPRECATED 2023-06] RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
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RequestOptionChunkStream bitmask.Byte = 0x01
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// RequestOptionConnectionReuse indicates client side expects to reuse the connection.
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RequestOptionConnectionReuse bitmask.Byte = 0x02
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// 0x02 legacy setting
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RequestOptionChunkMasking bitmask.Byte = 0x04
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@ -76,7 +75,6 @@ type CommandSwitchAccount struct {
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Port net.Port
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ID uuid.UUID
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Level uint32
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AlterIds uint16
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ValidMin byte
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}
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@ -24,7 +24,6 @@ type SecurityType int32
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const (
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SecurityType_UNKNOWN SecurityType = 0
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SecurityType_LEGACY SecurityType = 1
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SecurityType_AUTO SecurityType = 2
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SecurityType_AES128_GCM SecurityType = 3
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SecurityType_CHACHA20_POLY1305 SecurityType = 4
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@ -36,7 +35,6 @@ const (
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var (
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SecurityType_name = map[int32]string{
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0: "UNKNOWN",
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1: "LEGACY",
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2: "AUTO",
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3: "AES128_GCM",
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4: "CHACHA20_POLY1305",
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@ -45,7 +43,6 @@ var (
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}
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SecurityType_value = map[string]int32{
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"UNKNOWN": 0,
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"LEGACY": 1,
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"AUTO": 2,
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"AES128_GCM": 3,
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"CHACHA20_POLY1305": 4,
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@ -139,20 +136,19 @@ var file_common_protocol_headers_proto_rawDesc = []byte{
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||||
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||||
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||||
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||||
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||||
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||||
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}
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var (
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@ -8,11 +8,10 @@ option java_multiple_files = true;
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enum SecurityType {
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UNKNOWN = 0;
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LEGACY = 1;
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AUTO = 2;
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AES128_GCM = 3;
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CHACHA20_POLY1305 = 4;
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NONE = 5;
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NONE = 5; // [DEPRECATED 2023-06]
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ZERO = 6;
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}
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@ -1,9 +1,7 @@
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package protocol
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import (
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"crypto/hmac"
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"crypto/md5"
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"hash"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/uuid"
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@ -13,12 +11,6 @@ const (
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IDBytesLen = 16
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)
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type IDHash func(key []byte) hash.Hash
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func DefaultIDHash(key []byte) hash.Hash {
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return hmac.New(md5.New, key)
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}
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// The ID of en entity, in the form of a UUID.
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type ID struct {
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uuid uuid.UUID
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@ -55,28 +47,3 @@ func NewID(uuid uuid.UUID) *ID {
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md5hash.Sum(id.cmdKey[:0])
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return id
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}
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func nextID(u *uuid.UUID) uuid.UUID {
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md5hash := md5.New()
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common.Must2(md5hash.Write(u.Bytes()))
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common.Must2(md5hash.Write([]byte("16167dc8-16b6-4e6d-b8bb-65dd68113a81")))
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var newid uuid.UUID
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for {
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md5hash.Sum(newid[:0])
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if !newid.Equals(u) {
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return newid
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}
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common.Must2(md5hash.Write([]byte("533eff8a-4113-4b10-b5ce-0f5d76b98cd2")))
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}
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}
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func NewAlterIDs(primary *ID, alterIDCount uint16) []*ID {
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alterIDs := make([]*ID, alterIDCount)
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prevID := primary.UUID()
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for idx := range alterIDs {
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newid := nextID(&prevID)
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alterIDs[idx] = NewID(newid)
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prevID = newid
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}
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return alterIDs
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}
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@ -15,7 +15,6 @@ import (
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type VMessAccount struct {
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ID string `json:"id"`
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AlterIds uint16 `json:"alterId"`
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Security string `json:"security"`
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Experiments string `json:"experiments"`
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}
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@ -39,7 +38,6 @@ func (a *VMessAccount) Build() *vmess.Account {
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}
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return &vmess.Account{
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Id: a.ID,
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AlterId: uint32(a.AlterIds),
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SecuritySettings: &protocol.SecurityConfig{
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Type: st,
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},
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@ -63,14 +61,12 @@ type FeaturesConfig struct {
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}
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type VMessDefaultConfig struct {
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AlterIDs uint16 `json:"alterId"`
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Level byte `json:"level"`
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}
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// Build implements Buildable
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func (c *VMessDefaultConfig) Build() *inbound.DefaultConfig {
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config := new(inbound.DefaultConfig)
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config.AlterId = uint32(c.AlterIDs)
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config.Level = uint32(c.Level)
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return config
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}
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@ -80,14 +76,11 @@ type VMessInboundConfig struct {
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Features *FeaturesConfig `json:"features"`
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Defaults *VMessDefaultConfig `json:"default"`
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DetourConfig *VMessDetourConfig `json:"detour"`
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SecureOnly bool `json:"disableInsecureEncryption"`
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}
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// Build implements Buildable
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func (c *VMessInboundConfig) Build() (proto.Message, error) {
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config := &inbound.Config{
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SecureEncryptionOnly: c.SecureOnly,
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}
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config := &inbound.Config{}
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if c.Defaults != nil {
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config.Default = c.Defaults.Build()
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@ -105,7 +105,6 @@ func TestVMessInbound(t *testing.T) {
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Detour: &inbound.DetourConfig{
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To: "tag_to_detour",
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},
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SecureEncryptionOnly: true,
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},
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},
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})
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@ -3,7 +3,6 @@ package vmess
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import (
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"strings"
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"github.com/xtls/xray-core/common/dice"
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"github.com/xtls/xray-core/common/protocol"
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"github.com/xtls/xray-core/common/uuid"
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)
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@ -12,8 +11,6 @@ import (
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type MemoryAccount struct {
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// ID is the main ID of the account.
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ID *protocol.ID
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// AlterIDs are the alternative IDs of the account.
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AlterIDs []*protocol.ID
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// Security type of the account. Used for client connections.
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Security protocol.SecurityType
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@ -21,21 +18,12 @@ type MemoryAccount struct {
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NoTerminationSignal bool
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}
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// AnyValidID returns an ID that is either the main ID or one of the alternative IDs if any.
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func (a *MemoryAccount) AnyValidID() *protocol.ID {
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if len(a.AlterIDs) == 0 {
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return a.ID
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}
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return a.AlterIDs[dice.Roll(len(a.AlterIDs))]
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}
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// Equals implements protocol.Account.
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func (a *MemoryAccount) Equals(account protocol.Account) bool {
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vmessAccount, ok := account.(*MemoryAccount)
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if !ok {
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return false
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}
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// TODO: handle AlterIds difference
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return a.ID.Equals(vmessAccount.ID)
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}
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@ -55,7 +43,6 @@ func (a *Account) AsAccount() (protocol.Account, error) {
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}
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return &MemoryAccount{
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ID: protoID,
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AlterIDs: protocol.NewAlterIDs(protoID, uint16(a.AlterId)),
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Security: a.SecuritySettings.GetSecurityType(),
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AuthenticatedLengthExperiment: AuthenticatedLength,
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NoTerminationSignal: NoTerminationSignal,
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@ -29,8 +29,6 @@ type Account struct {
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// ID of the account, in the form of a UUID, e.g.,
|
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// "66ad4540-b58c-4ad2-9926-ea63445a9b57".
|
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Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
|
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// Number of alternative IDs. Client and server must share the same number.
|
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AlterId uint32 `protobuf:"varint,2,opt,name=alter_id,json=alterId,proto3" json:"alter_id,omitempty"`
|
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// Security settings. Only applies to client side.
|
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SecuritySettings *protocol.SecurityConfig `protobuf:"bytes,3,opt,name=security_settings,json=securitySettings,proto3" json:"security_settings,omitempty"`
|
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// Define tests enabled for this account
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@ -76,13 +74,6 @@ func (x *Account) GetId() string {
|
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return ""
|
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}
|
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|
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func (x *Account) GetAlterId() uint32 {
|
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if x != nil {
|
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return x.AlterId
|
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}
|
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return 0
|
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}
|
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|
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func (x *Account) GetSecuritySettings() *protocol.SecurityConfig {
|
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if x != nil {
|
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return x.SecuritySettings
|
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@ -104,24 +95,22 @@ var file_proxy_vmess_account_proto_rawDesc = []byte{
|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
||||
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|
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|
||||
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|
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|
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|
||||
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|
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|
||||
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|
||||
0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65,
|
||||
0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6d, 0x65, 0x73, 0x73, 0xaa, 0x02, 0x10, 0x58,
|
||||
0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56, 0x6d, 0x65, 0x73, 0x73, 0x62,
|
||||
0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||
0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x51, 0x0a, 0x11, 0x73, 0x65, 0x63, 0x75,
|
||||
0x72, 0x69, 0x74, 0x79, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x03, 0x20,
|
||||
0x01, 0x28, 0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
|
||||
0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x53, 0x65, 0x63, 0x75, 0x72,
|
||||
0x69, 0x74, 0x79, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x10, 0x73, 0x65, 0x63, 0x75, 0x72,
|
||||
0x69, 0x74, 0x79, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x23, 0x0a, 0x0d, 0x74,
|
||||
0x65, 0x73, 0x74, 0x73, 0x5f, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x04, 0x20, 0x01,
|
||||
0x28, 0x09, 0x52, 0x0c, 0x74, 0x65, 0x73, 0x74, 0x73, 0x45, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64,
|
||||
0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f,
|
||||
0x78, 0x79, 0x2e, 0x76, 0x6d, 0x65, 0x73, 0x73, 0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68,
|
||||
0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79,
|
||||
0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6d, 0x65, 0x73,
|
||||
0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56,
|
||||
0x6d, 0x65, 0x73, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
|
||||
@ -12,8 +12,6 @@ message Account {
|
||||
// ID of the account, in the form of a UUID, e.g.,
|
||||
// "66ad4540-b58c-4ad2-9926-ea63445a9b57".
|
||||
string id = 1;
|
||||
// Number of alternative IDs. Client and server must share the same number.
|
||||
uint32 alter_id = 2;
|
||||
// Security settings. Only applies to client side.
|
||||
xray.common.protocol.SecurityConfig security_settings = 3;
|
||||
// Define tests enabled for this account
|
||||
|
||||
@ -17,6 +17,7 @@ func Authenticate(b []byte) uint32 {
|
||||
return fnv1hash.Sum32()
|
||||
}
|
||||
|
||||
// [DEPRECATED 2023-06]
|
||||
type NoOpAuthenticator struct{}
|
||||
|
||||
func (NoOpAuthenticator) NonceSize() int {
|
||||
@ -37,34 +38,6 @@ func (NoOpAuthenticator) Open(dst, nonce, ciphertext, additionalData []byte) ([]
|
||||
return append(dst[:0], ciphertext...), nil
|
||||
}
|
||||
|
||||
// FnvAuthenticator is an AEAD based on Fnv hash.
|
||||
type FnvAuthenticator struct{}
|
||||
|
||||
// NonceSize implements AEAD.NonceSize().
|
||||
func (*FnvAuthenticator) NonceSize() int {
|
||||
return 0
|
||||
}
|
||||
|
||||
// Overhead impelements AEAD.Overhead().
|
||||
func (*FnvAuthenticator) Overhead() int {
|
||||
return 4
|
||||
}
|
||||
|
||||
// Seal implements AEAD.Seal().
|
||||
func (*FnvAuthenticator) Seal(dst, nonce, plaintext, additionalData []byte) []byte {
|
||||
dst = append(dst, 0, 0, 0, 0)
|
||||
binary.BigEndian.PutUint32(dst, Authenticate(plaintext))
|
||||
return append(dst, plaintext...)
|
||||
}
|
||||
|
||||
// Open implements AEAD.Open().
|
||||
func (*FnvAuthenticator) Open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) {
|
||||
if binary.BigEndian.Uint32(ciphertext[:4]) != Authenticate(ciphertext[4:]) {
|
||||
return dst, newError("invalid authentication")
|
||||
}
|
||||
return append(dst, ciphertext[4:]...), nil
|
||||
}
|
||||
|
||||
// GenerateChacha20Poly1305Key generates a 32-byte key from a given 16-byte array.
|
||||
func GenerateChacha20Poly1305Key(b []byte) []byte {
|
||||
key := make([]byte, 32)
|
||||
|
||||
@ -1,26 +0,0 @@
|
||||
package encoding_test
|
||||
|
||||
import (
|
||||
"crypto/rand"
|
||||
"testing"
|
||||
|
||||
"github.com/google/go-cmp/cmp"
|
||||
"github.com/xtls/xray-core/common"
|
||||
. "github.com/xtls/xray-core/proxy/vmess/encoding"
|
||||
)
|
||||
|
||||
func TestFnvAuth(t *testing.T) {
|
||||
fnvAuth := new(FnvAuthenticator)
|
||||
|
||||
expectedText := make([]byte, 256)
|
||||
_, err := rand.Read(expectedText)
|
||||
common.Must(err)
|
||||
|
||||
buffer := make([]byte, 512)
|
||||
b := fnvAuth.Seal(buffer[:0], nil, expectedText, nil)
|
||||
b, err = fnvAuth.Open(buffer[:0], nil, b, nil)
|
||||
common.Must(err)
|
||||
if r := cmp.Diff(b, expectedText); r != "" {
|
||||
t.Error(r)
|
||||
}
|
||||
}
|
||||
@ -5,11 +5,9 @@ import (
|
||||
"context"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/md5"
|
||||
"crypto/rand"
|
||||
"crypto/sha256"
|
||||
"encoding/binary"
|
||||
"hash"
|
||||
"hash/fnv"
|
||||
"io"
|
||||
|
||||
@ -20,24 +18,13 @@ import (
|
||||
"github.com/xtls/xray-core/common/dice"
|
||||
"github.com/xtls/xray-core/common/drain"
|
||||
"github.com/xtls/xray-core/common/protocol"
|
||||
"github.com/xtls/xray-core/common/serial"
|
||||
"github.com/xtls/xray-core/proxy/vmess"
|
||||
vmessaead "github.com/xtls/xray-core/proxy/vmess/aead"
|
||||
"golang.org/x/crypto/chacha20poly1305"
|
||||
)
|
||||
|
||||
func hashTimestamp(h hash.Hash, t protocol.Timestamp) []byte {
|
||||
common.Must2(serial.WriteUint64(h, uint64(t)))
|
||||
common.Must2(serial.WriteUint64(h, uint64(t)))
|
||||
common.Must2(serial.WriteUint64(h, uint64(t)))
|
||||
common.Must2(serial.WriteUint64(h, uint64(t)))
|
||||
return h.Sum(nil)
|
||||
}
|
||||
|
||||
// ClientSession stores connection session info for VMess client.
|
||||
type ClientSession struct {
|
||||
isAEAD bool
|
||||
idHash protocol.IDHash
|
||||
requestBodyKey [16]byte
|
||||
requestBodyIV [16]byte
|
||||
responseBodyKey [16]byte
|
||||
@ -49,11 +36,8 @@ type ClientSession struct {
|
||||
}
|
||||
|
||||
// NewClientSession creates a new ClientSession.
|
||||
func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash, behaviorSeed int64) *ClientSession {
|
||||
session := &ClientSession{
|
||||
isAEAD: isAEAD,
|
||||
idHash: idHash,
|
||||
}
|
||||
func NewClientSession(ctx context.Context, behaviorSeed int64) *ClientSession {
|
||||
session := &ClientSession{}
|
||||
|
||||
randomBytes := make([]byte, 33) // 16 + 16 + 1
|
||||
common.Must2(rand.Read(randomBytes))
|
||||
@ -61,15 +45,10 @@ func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash,
|
||||
copy(session.requestBodyIV[:], randomBytes[16:32])
|
||||
session.responseHeader = randomBytes[32]
|
||||
|
||||
if !session.isAEAD {
|
||||
session.responseBodyKey = md5.Sum(session.requestBodyKey[:])
|
||||
session.responseBodyIV = md5.Sum(session.requestBodyIV[:])
|
||||
} else {
|
||||
BodyKey := sha256.Sum256(session.requestBodyKey[:])
|
||||
copy(session.responseBodyKey[:], BodyKey[:16])
|
||||
BodyIV := sha256.Sum256(session.requestBodyIV[:])
|
||||
copy(session.responseBodyIV[:], BodyIV[:16])
|
||||
}
|
||||
{
|
||||
var err error
|
||||
session.readDrainer, err = drain.NewBehaviorSeedLimitedDrainer(behaviorSeed, 18, 3266, 64)
|
||||
@ -83,13 +62,7 @@ func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash,
|
||||
}
|
||||
|
||||
func (c *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writer io.Writer) error {
|
||||
timestamp := protocol.NewTimestampGenerator(protocol.NowTime(), 30)()
|
||||
account := header.User.Account.(*vmess.MemoryAccount)
|
||||
if !c.isAEAD {
|
||||
idHash := c.idHash(account.AnyValidID().Bytes())
|
||||
common.Must2(serial.WriteUint64(idHash, uint64(timestamp)))
|
||||
common.Must2(writer.Write(idHash.Sum(nil)))
|
||||
}
|
||||
|
||||
buffer := buf.New()
|
||||
defer buffer.Release()
|
||||
@ -121,17 +94,10 @@ func (c *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writ
|
||||
fnv1a.Sum(hashBytes[:0])
|
||||
}
|
||||
|
||||
if !c.isAEAD {
|
||||
iv := hashTimestamp(md5.New(), timestamp)
|
||||
aesStream := crypto.NewAesEncryptionStream(account.ID.CmdKey(), iv)
|
||||
aesStream.XORKeyStream(buffer.Bytes(), buffer.Bytes())
|
||||
common.Must2(writer.Write(buffer.Bytes()))
|
||||
} else {
|
||||
var fixedLengthCmdKey [16]byte
|
||||
copy(fixedLengthCmdKey[:], account.ID.CmdKey())
|
||||
vmessout := vmessaead.SealVMessAEADHeader(fixedLengthCmdKey, buffer.Bytes())
|
||||
common.Must2(io.Copy(writer, bytes.NewReader(vmessout)))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
@ -165,19 +131,6 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
|
||||
}
|
||||
|
||||
return buf.NewWriter(writer), nil
|
||||
case protocol.SecurityType_LEGACY:
|
||||
aesStream := crypto.NewAesEncryptionStream(c.requestBodyKey[:], c.requestBodyIV[:])
|
||||
cryptionWriter := crypto.NewCryptionWriter(aesStream, writer)
|
||||
if request.Option.Has(protocol.RequestOptionChunkStream) {
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
AEAD: new(FnvAuthenticator),
|
||||
NonceGenerator: crypto.GenerateEmptyBytes(),
|
||||
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
|
||||
}
|
||||
return crypto.NewAuthenticationWriter(auth, sizeParser, cryptionWriter, request.Command.TransferType(), padding), nil
|
||||
}
|
||||
|
||||
return &buf.SequentialWriter{Writer: cryptionWriter}, nil
|
||||
case protocol.SecurityType_AES128_GCM:
|
||||
aead := crypto.NewAesGcm(c.requestBodyKey[:])
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
@ -225,10 +178,6 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
|
||||
}
|
||||
|
||||
func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.ResponseHeader, error) {
|
||||
if !c.isAEAD {
|
||||
aesStream := crypto.NewAesDecryptionStream(c.responseBodyKey[:], c.responseBodyIV[:])
|
||||
c.responseReader = crypto.NewCryptionReader(aesStream, reader)
|
||||
} else {
|
||||
aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(c.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
|
||||
aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(c.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
|
||||
|
||||
@ -272,7 +221,6 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
|
||||
} else { // nolint: golint
|
||||
c.responseReader = bytes.NewReader(decryptedResponseHeaderBuffer)
|
||||
}
|
||||
}
|
||||
|
||||
buffer := buf.StackNew()
|
||||
defer buffer.Release()
|
||||
@ -302,10 +250,8 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
|
||||
header.Command = command
|
||||
}
|
||||
}
|
||||
if c.isAEAD {
|
||||
aesStream := crypto.NewAesDecryptionStream(c.responseBodyKey[:], c.responseBodyIV[:])
|
||||
c.responseReader = crypto.NewCryptionReader(aesStream, reader)
|
||||
}
|
||||
return header, nil
|
||||
}
|
||||
|
||||
@ -340,17 +286,6 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
|
||||
}
|
||||
|
||||
return buf.NewReader(reader), nil
|
||||
case protocol.SecurityType_LEGACY:
|
||||
if request.Option.Has(protocol.RequestOptionChunkStream) {
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
AEAD: new(FnvAuthenticator),
|
||||
NonceGenerator: crypto.GenerateEmptyBytes(),
|
||||
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
|
||||
}
|
||||
return crypto.NewAuthenticationReader(auth, sizeParser, c.responseReader, request.Command.TransferType(), padding), nil
|
||||
}
|
||||
|
||||
return buf.NewReader(c.responseReader), nil
|
||||
case protocol.SecurityType_AES128_GCM:
|
||||
aead := crypto.NewAesGcm(c.responseBodyKey[:])
|
||||
|
||||
|
||||
@ -101,7 +101,7 @@ func (f *CommandSwitchAccountFactory) Marshal(command interface{}, writer io.Wri
|
||||
|
||||
idBytes := cmd.ID.Bytes()
|
||||
common.Must2(writer.Write(idBytes))
|
||||
common.Must2(serial.WriteUint16(writer, cmd.AlterIds))
|
||||
common.Must2(serial.WriteUint16(writer, 0)) // compatible with legacy alterId
|
||||
common.Must2(writer.Write([]byte{byte(cmd.Level)}))
|
||||
|
||||
common.Must2(writer.Write([]byte{cmd.ValidMin}))
|
||||
@ -130,12 +130,7 @@ func (f *CommandSwitchAccountFactory) Unmarshal(data []byte) (interface{}, error
|
||||
return nil, ErrInsufficientLength
|
||||
}
|
||||
cmd.ID, _ = uuid.ParseBytes(data[idStart : idStart+16])
|
||||
alterIDStart := idStart + 16
|
||||
if len(data) < alterIDStart+2 {
|
||||
return nil, ErrInsufficientLength
|
||||
}
|
||||
cmd.AlterIds = binary.BigEndian.Uint16(data[alterIDStart : alterIDStart+2])
|
||||
levelStart := alterIDStart + 2
|
||||
levelStart := idStart + 16 + 2
|
||||
if len(data) < levelStart+1 {
|
||||
return nil, ErrInsufficientLength
|
||||
}
|
||||
|
||||
@ -16,7 +16,6 @@ func TestSwitchAccount(t *testing.T) {
|
||||
sa := &protocol.CommandSwitchAccount{
|
||||
Port: 1234,
|
||||
ID: uuid.New(),
|
||||
AlterIds: 1024,
|
||||
Level: 128,
|
||||
ValidMin: 16,
|
||||
}
|
||||
@ -40,7 +39,6 @@ func TestSwitchAccountBugOffByOne(t *testing.T) {
|
||||
sa := &protocol.CommandSwitchAccount{
|
||||
Port: 1234,
|
||||
ID: uuid.New(),
|
||||
AlterIds: 1024,
|
||||
Level: 128,
|
||||
ValidMin: 16,
|
||||
}
|
||||
|
||||
@ -41,7 +41,7 @@ func TestRequestSerialization(t *testing.T) {
|
||||
}
|
||||
|
||||
buffer := buf.New()
|
||||
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
|
||||
client := NewClientSession(context.TODO(), 0)
|
||||
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
|
||||
|
||||
buffer2 := buf.New()
|
||||
@ -50,7 +50,7 @@ func TestRequestSerialization(t *testing.T) {
|
||||
sessionHistory := NewSessionHistory()
|
||||
defer common.Close(sessionHistory)
|
||||
|
||||
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
|
||||
userValidator := vmess.NewTimedUserValidator()
|
||||
userValidator.Add(user)
|
||||
defer common.Close(userValidator)
|
||||
|
||||
@ -90,7 +90,7 @@ func TestInvalidRequest(t *testing.T) {
|
||||
}
|
||||
|
||||
buffer := buf.New()
|
||||
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
|
||||
client := NewClientSession(context.TODO(), 0)
|
||||
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
|
||||
|
||||
buffer2 := buf.New()
|
||||
@ -99,7 +99,7 @@ func TestInvalidRequest(t *testing.T) {
|
||||
sessionHistory := NewSessionHistory()
|
||||
defer common.Close(sessionHistory)
|
||||
|
||||
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
|
||||
userValidator := vmess.NewTimedUserValidator()
|
||||
userValidator.Add(user)
|
||||
defer common.Close(userValidator)
|
||||
|
||||
@ -130,7 +130,7 @@ func TestMuxRequest(t *testing.T) {
|
||||
}
|
||||
|
||||
buffer := buf.New()
|
||||
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
|
||||
client := NewClientSession(context.TODO(), 0)
|
||||
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
|
||||
|
||||
buffer2 := buf.New()
|
||||
@ -139,7 +139,7 @@ func TestMuxRequest(t *testing.T) {
|
||||
sessionHistory := NewSessionHistory()
|
||||
defer common.Close(sessionHistory)
|
||||
|
||||
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
|
||||
userValidator := vmess.NewTimedUserValidator()
|
||||
userValidator.Add(user)
|
||||
defer common.Close(userValidator)
|
||||
|
||||
|
||||
@ -4,7 +4,6 @@ import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/md5"
|
||||
"crypto/sha256"
|
||||
"encoding/binary"
|
||||
"hash/fnv"
|
||||
@ -102,10 +101,6 @@ type ServerSession struct {
|
||||
responseBodyIV [16]byte
|
||||
responseWriter io.Writer
|
||||
responseHeader byte
|
||||
|
||||
isAEADRequest bool
|
||||
|
||||
isAEADForced bool
|
||||
}
|
||||
|
||||
// NewServerSession creates a new ServerSession, using the given UserValidator.
|
||||
@ -117,17 +112,12 @@ func NewServerSession(validator *vmess.TimedUserValidator, sessionHistory *Sessi
|
||||
}
|
||||
}
|
||||
|
||||
// SetAEADForced sets isAEADForced for a ServerSession.
|
||||
func (s *ServerSession) SetAEADForced(isAEADForced bool) {
|
||||
s.isAEADForced = isAEADForced
|
||||
}
|
||||
|
||||
func parseSecurityType(b byte) protocol.SecurityType {
|
||||
if _, f := protocol.SecurityType_name[int32(b)]; f {
|
||||
st := protocol.SecurityType(b)
|
||||
// For backward compatibility.
|
||||
if st == protocol.SecurityType_UNKNOWN {
|
||||
st = protocol.SecurityType_LEGACY
|
||||
st = protocol.SecurityType_AUTO
|
||||
}
|
||||
return st
|
||||
}
|
||||
@ -183,26 +173,6 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
|
||||
}
|
||||
}
|
||||
decryptor = bytes.NewReader(aeadData)
|
||||
s.isAEADRequest = true
|
||||
|
||||
case errorAEAD == vmessaead.ErrNotFound:
|
||||
userLegacy, timestamp, valid, userValidationError := s.userValidator.Get(buffer.Bytes())
|
||||
if !valid || userValidationError != nil {
|
||||
return nil, drainConnection(newError("invalid user").Base(userValidationError))
|
||||
}
|
||||
if s.isAEADForced {
|
||||
return nil, drainConnection(newError("invalid user: VMessAEAD is enforced and a non VMessAEAD connection is received. You can still disable this security feature with environment variable xray.vmess.aead.forced = false . You will not be able to enable legacy header workaround in the future."))
|
||||
}
|
||||
if s.userValidator.ShouldShowLegacyWarn() {
|
||||
newError("Critical Warning: potentially invalid user: a non VMessAEAD connection is received. From 2022 Jan 1st, this kind of connection will be rejected by default. You should update or replace your client software now. This message will not be shown for further violation on this inbound.").AtWarning().WriteToLog()
|
||||
}
|
||||
user = userLegacy
|
||||
iv := hashTimestamp(md5.New(), timestamp)
|
||||
vmessAccount = userLegacy.Account.(*vmess.MemoryAccount)
|
||||
|
||||
aesStream := crypto.NewAesDecryptionStream(vmessAccount.ID.CmdKey(), iv)
|
||||
decryptor = crypto.NewCryptionReader(aesStream, reader)
|
||||
|
||||
default:
|
||||
return nil, drainConnection(newError("invalid user").Base(errorAEAD))
|
||||
}
|
||||
@ -225,16 +195,8 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
|
||||
sid.key = s.requestBodyKey
|
||||
sid.nonce = s.requestBodyIV
|
||||
if !s.sessionHistory.addIfNotExits(sid) {
|
||||
if !s.isAEADRequest {
|
||||
drainErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
|
||||
if drainErr != nil {
|
||||
return nil, drainConnection(newError("duplicated session id, possibly under replay attack, and failed to taint userHash").Base(drainErr))
|
||||
}
|
||||
return nil, drainConnection(newError("duplicated session id, possibly under replay attack, userHash tainted"))
|
||||
} else {
|
||||
return nil, newError("duplicated session id, possibly under replay attack, but this is a AEAD request")
|
||||
}
|
||||
}
|
||||
|
||||
s.responseHeader = buffer.Byte(33) // 1 byte
|
||||
request.Option = bitmask.Byte(buffer.Byte(34)) // 1 byte
|
||||
@ -257,25 +219,11 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
|
||||
|
||||
if paddingLen > 0 {
|
||||
if _, err := buffer.ReadFullFrom(decryptor, int32(paddingLen)); err != nil {
|
||||
if !s.isAEADRequest {
|
||||
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
|
||||
if burnErr != nil {
|
||||
return nil, newError("failed to read padding, failed to taint userHash").Base(burnErr).Base(err)
|
||||
}
|
||||
return nil, newError("failed to read padding, userHash tainted").Base(err)
|
||||
}
|
||||
return nil, newError("failed to read padding").Base(err)
|
||||
}
|
||||
}
|
||||
|
||||
if _, err := buffer.ReadFullFrom(decryptor, 4); err != nil {
|
||||
if !s.isAEADRequest {
|
||||
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
|
||||
if burnErr != nil {
|
||||
return nil, newError("failed to read checksum, failed to taint userHash").Base(burnErr).Base(err)
|
||||
}
|
||||
return nil, newError("failed to read checksum, userHash tainted").Base(err)
|
||||
}
|
||||
return nil, newError("failed to read checksum").Base(err)
|
||||
}
|
||||
|
||||
@ -285,18 +233,8 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
|
||||
expectedHash := binary.BigEndian.Uint32(buffer.BytesFrom(-4))
|
||||
|
||||
if actualHash != expectedHash {
|
||||
if !s.isAEADRequest {
|
||||
Autherr := newError("invalid auth, legacy userHash tainted")
|
||||
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
|
||||
if burnErr != nil {
|
||||
Autherr = newError("invalid auth, can't taint legacy userHash").Base(burnErr)
|
||||
}
|
||||
// It is possible that we are under attack described in https://github.com/xray/xray-core/issues/2523
|
||||
return nil, drainConnection(Autherr)
|
||||
} else {
|
||||
return nil, newError("invalid auth, but this is a AEAD request")
|
||||
}
|
||||
}
|
||||
|
||||
if request.Address == nil {
|
||||
return nil, newError("invalid remote address")
|
||||
@ -340,19 +278,6 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
|
||||
}
|
||||
return buf.NewReader(reader), nil
|
||||
|
||||
case protocol.SecurityType_LEGACY:
|
||||
aesStream := crypto.NewAesDecryptionStream(s.requestBodyKey[:], s.requestBodyIV[:])
|
||||
cryptionReader := crypto.NewCryptionReader(aesStream, reader)
|
||||
if request.Option.Has(protocol.RequestOptionChunkStream) {
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
AEAD: new(FnvAuthenticator),
|
||||
NonceGenerator: crypto.GenerateEmptyBytes(),
|
||||
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
|
||||
}
|
||||
return crypto.NewAuthenticationReader(auth, sizeParser, cryptionReader, request.Command.TransferType(), padding), nil
|
||||
}
|
||||
return buf.NewReader(cryptionReader), nil
|
||||
|
||||
case protocol.SecurityType_AES128_GCM:
|
||||
aead := crypto.NewAesGcm(s.requestBodyKey[:])
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
@ -403,25 +328,17 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
|
||||
// EncodeResponseHeader writes encoded response header into the given writer.
|
||||
func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, writer io.Writer) {
|
||||
var encryptionWriter io.Writer
|
||||
if !s.isAEADRequest {
|
||||
s.responseBodyKey = md5.Sum(s.requestBodyKey[:])
|
||||
s.responseBodyIV = md5.Sum(s.requestBodyIV[:])
|
||||
} else {
|
||||
BodyKey := sha256.Sum256(s.requestBodyKey[:])
|
||||
copy(s.responseBodyKey[:], BodyKey[:16])
|
||||
BodyIV := sha256.Sum256(s.requestBodyIV[:])
|
||||
copy(s.responseBodyIV[:], BodyIV[:16])
|
||||
}
|
||||
|
||||
aesStream := crypto.NewAesEncryptionStream(s.responseBodyKey[:], s.responseBodyIV[:])
|
||||
encryptionWriter = crypto.NewCryptionWriter(aesStream, writer)
|
||||
s.responseWriter = encryptionWriter
|
||||
|
||||
aeadEncryptedHeaderBuffer := bytes.NewBuffer(nil)
|
||||
|
||||
if s.isAEADRequest {
|
||||
encryptionWriter = aeadEncryptedHeaderBuffer
|
||||
}
|
||||
|
||||
common.Must2(encryptionWriter.Write([]byte{s.responseHeader, byte(header.Option)}))
|
||||
err := MarshalCommand(header.Command, encryptionWriter)
|
||||
@ -429,7 +346,6 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
|
||||
common.Must2(encryptionWriter.Write([]byte{0x00, 0x00}))
|
||||
}
|
||||
|
||||
if s.isAEADRequest {
|
||||
aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(s.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
|
||||
aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(s.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
|
||||
|
||||
@ -454,7 +370,6 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
|
||||
aeadEncryptedHeaderPayload := aeadResponseHeaderPayloadEncryptionAEAD.Seal(nil, aeadResponseHeaderPayloadEncryptionIV, aeadEncryptedHeaderBuffer.Bytes(), nil)
|
||||
common.Must2(io.Copy(writer, bytes.NewReader(aeadEncryptedHeaderPayload)))
|
||||
}
|
||||
}
|
||||
|
||||
// EncodeResponseBody returns a Writer that auto-encrypt content written by caller.
|
||||
func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error) {
|
||||
@ -487,17 +402,6 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
|
||||
}
|
||||
return buf.NewWriter(writer), nil
|
||||
|
||||
case protocol.SecurityType_LEGACY:
|
||||
if request.Option.Has(protocol.RequestOptionChunkStream) {
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
AEAD: new(FnvAuthenticator),
|
||||
NonceGenerator: crypto.GenerateEmptyBytes(),
|
||||
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
|
||||
}
|
||||
return crypto.NewAuthenticationWriter(auth, sizeParser, s.responseWriter, request.Command.TransferType(), padding), nil
|
||||
}
|
||||
return &buf.SequentialWriter{Writer: s.responseWriter}, nil
|
||||
|
||||
case protocol.SecurityType_AES128_GCM:
|
||||
aead := crypto.NewAesGcm(s.responseBodyKey[:])
|
||||
auth := &crypto.AEADAuthenticator{
|
||||
|
||||
@ -73,7 +73,6 @@ type DefaultConfig struct {
|
||||
sizeCache protoimpl.SizeCache
|
||||
unknownFields protoimpl.UnknownFields
|
||||
|
||||
AlterId uint32 `protobuf:"varint,1,opt,name=alter_id,json=alterId,proto3" json:"alter_id,omitempty"`
|
||||
Level uint32 `protobuf:"varint,2,opt,name=level,proto3" json:"level,omitempty"`
|
||||
}
|
||||
|
||||
@ -109,13 +108,6 @@ func (*DefaultConfig) Descriptor() ([]byte, []int) {
|
||||
return file_proxy_vmess_inbound_config_proto_rawDescGZIP(), []int{1}
|
||||
}
|
||||
|
||||
func (x *DefaultConfig) GetAlterId() uint32 {
|
||||
if x != nil {
|
||||
return x.AlterId
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
func (x *DefaultConfig) GetLevel() uint32 {
|
||||
if x != nil {
|
||||
return x.Level
|
||||
@ -130,8 +122,7 @@ type Config struct {
|
||||
|
||||
User []*protocol.User `protobuf:"bytes,1,rep,name=user,proto3" json:"user,omitempty"`
|
||||
Default *DefaultConfig `protobuf:"bytes,2,opt,name=default,proto3" json:"default,omitempty"`
|
||||
Detour *DetourConfig `protobuf:"bytes,3,opt,name=detour,proto3" json:"detour,omitempty"`
|
||||
SecureEncryptionOnly bool `protobuf:"varint,4,opt,name=secure_encryption_only,json=secureEncryptionOnly,proto3" json:"secure_encryption_only,omitempty"`
|
||||
Detour *DetourConfig `protobuf:"bytes,3,opt,name=detour,proto3" json:"detour,omitempty"` // 4 is for legacy setting
|
||||
}
|
||||
|
||||
func (x *Config) Reset() {
|
||||
@ -187,13 +178,6 @@ func (x *Config) GetDetour() *DetourConfig {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (x *Config) GetSecureEncryptionOnly() bool {
|
||||
if x != nil {
|
||||
return x.SecureEncryptionOnly
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
var File_proxy_vmess_inbound_config_proto protoreflect.FileDescriptor
|
||||
|
||||
var file_proxy_vmess_inbound_config_proto_rawDesc = []byte{
|
||||
@ -204,34 +188,29 @@ var file_proxy_vmess_inbound_config_proto_rawDesc = []byte{
|
||||
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|
||||
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|
||||
0x2e, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x2e, 0x44, 0x65, 0x74, 0x6f, 0x75, 0x72, 0x43,
|
||||
0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x06, 0x64, 0x65, 0x74, 0x6f, 0x75, 0x72, 0x42, 0x6a, 0x0a,
|
||||
0x1c, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e,
|
||||
0x76, 0x6d, 0x65, 0x73, 0x73, 0x2e, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x50, 0x01, 0x5a,
|
||||
0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73,
|
||||
0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79,
|
||||
0x2f, 0x76, 0x6d, 0x65, 0x73, 0x73, 0x2f, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0xaa, 0x02,
|
||||
0x18, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56, 0x6d, 0x65, 0x73,
|
||||
0x73, 0x2e, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
|
||||
0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
|
||||
@ -13,7 +13,6 @@ message DetourConfig {
|
||||
}
|
||||
|
||||
message DefaultConfig {
|
||||
uint32 alter_id = 1;
|
||||
uint32 level = 2;
|
||||
}
|
||||
|
||||
@ -21,5 +20,5 @@ message Config {
|
||||
repeated xray.common.protocol.User user = 1;
|
||||
DefaultConfig default = 2;
|
||||
DetourConfig detour = 3;
|
||||
bool secure_encryption_only = 4;
|
||||
// 4 is for legacy setting
|
||||
}
|
||||
|
||||
@ -14,7 +14,6 @@ import (
|
||||
"github.com/xtls/xray-core/common/errors"
|
||||
"github.com/xtls/xray-core/common/log"
|
||||
"github.com/xtls/xray-core/common/net"
|
||||
"github.com/xtls/xray-core/common/platform"
|
||||
"github.com/xtls/xray-core/common/protocol"
|
||||
"github.com/xtls/xray-core/common/session"
|
||||
"github.com/xtls/xray-core/common/signal"
|
||||
@ -29,23 +28,16 @@ import (
|
||||
"github.com/xtls/xray-core/transport/internet/stat"
|
||||
)
|
||||
|
||||
var (
|
||||
aeadForced = false
|
||||
aeadForced2022 = false
|
||||
)
|
||||
|
||||
type userByEmail struct {
|
||||
sync.Mutex
|
||||
cache map[string]*protocol.MemoryUser
|
||||
defaultLevel uint32
|
||||
defaultAlterIDs uint16
|
||||
}
|
||||
|
||||
func newUserByEmail(config *DefaultConfig) *userByEmail {
|
||||
return &userByEmail{
|
||||
cache: make(map[string]*protocol.MemoryUser),
|
||||
defaultLevel: config.Level,
|
||||
defaultAlterIDs: uint16(config.AlterId),
|
||||
}
|
||||
}
|
||||
|
||||
@ -77,7 +69,6 @@ func (v *userByEmail) Get(email string) (*protocol.MemoryUser, bool) {
|
||||
id := uuid.New()
|
||||
rawAccount := &vmess.Account{
|
||||
Id: id.String(),
|
||||
AlterId: uint32(v.defaultAlterIDs),
|
||||
}
|
||||
account, err := rawAccount.AsAccount()
|
||||
common.Must(err)
|
||||
@ -112,7 +103,6 @@ type Handler struct {
|
||||
usersByEmail *userByEmail
|
||||
detours *DetourConfig
|
||||
sessionHistory *encoding.SessionHistory
|
||||
secure bool
|
||||
}
|
||||
|
||||
// New creates a new VMess inbound handler.
|
||||
@ -121,11 +111,10 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
|
||||
handler := &Handler{
|
||||
policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
|
||||
inboundHandlerManager: v.GetFeature(feature_inbound.ManagerType()).(feature_inbound.Manager),
|
||||
clients: vmess.NewTimedUserValidator(protocol.DefaultIDHash),
|
||||
clients: vmess.NewTimedUserValidator(),
|
||||
detours: config.Detour,
|
||||
usersByEmail: newUserByEmail(config.GetDefaultValue()),
|
||||
sessionHistory: encoding.NewSessionHistory(),
|
||||
secure: config.SecureEncryptionOnly,
|
||||
}
|
||||
|
||||
for _, user := range config.User {
|
||||
@ -145,7 +134,6 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
|
||||
// Close implements common.Closable.
|
||||
func (h *Handler) Close() error {
|
||||
return errors.Combine(
|
||||
h.clients.Close(),
|
||||
h.sessionHistory.Close(),
|
||||
common.Close(h.usersByEmail))
|
||||
}
|
||||
@ -219,10 +207,6 @@ func transferResponse(timer signal.ActivityUpdater, session *encoding.ServerSess
|
||||
return nil
|
||||
}
|
||||
|
||||
func isInsecureEncryption(s protocol.SecurityType) bool {
|
||||
return s == protocol.SecurityType_NONE || s == protocol.SecurityType_LEGACY || s == protocol.SecurityType_UNKNOWN
|
||||
}
|
||||
|
||||
// Process implements proxy.Inbound.Process().
|
||||
func (h *Handler) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
|
||||
sessionPolicy := h.policyManager.ForLevel(0)
|
||||
@ -241,7 +225,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
|
||||
|
||||
reader := &buf.BufferedReader{Reader: buf.NewReader(connection)}
|
||||
svrSession := encoding.NewServerSession(h.clients, h.sessionHistory)
|
||||
svrSession.SetAEADForced(aeadForced)
|
||||
request, err := svrSession.DecodeRequestHeader(reader, isDrain)
|
||||
if err != nil {
|
||||
if errors.Cause(err) != io.EOF {
|
||||
@ -256,17 +239,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
|
||||
return err
|
||||
}
|
||||
|
||||
if h.secure && isInsecureEncryption(request.Security) {
|
||||
log.Record(&log.AccessMessage{
|
||||
From: connection.RemoteAddr(),
|
||||
To: "",
|
||||
Status: log.AccessRejected,
|
||||
Reason: "Insecure encryption",
|
||||
Email: request.User.Email,
|
||||
})
|
||||
return newError("client is using insecure encryption: ", request.Security)
|
||||
}
|
||||
|
||||
if request.Command != protocol.RequestCommandMux {
|
||||
ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
|
||||
From: connection.RemoteAddr(),
|
||||
@ -361,7 +333,6 @@ func (h *Handler) generateCommand(ctx context.Context, request *protocol.Request
|
||||
return &protocol.CommandSwitchAccount{
|
||||
Port: port,
|
||||
ID: account.ID.UUID(),
|
||||
AlterIds: uint16(len(account.AlterIDs)),
|
||||
Level: user.Level,
|
||||
ValidMin: byte(availableMin),
|
||||
}
|
||||
@ -376,18 +347,4 @@ func init() {
|
||||
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
|
||||
return New(ctx, config.(*Config))
|
||||
}))
|
||||
|
||||
defaultFlagValue := "NOT_DEFINED_AT_ALL"
|
||||
|
||||
if time.Now().Year() >= 2022 {
|
||||
defaultFlagValue = "true_by_default_2022"
|
||||
}
|
||||
|
||||
isAeadForced := platform.NewEnvFlag("xray.vmess.aead.forced").GetValue(func() string { return defaultFlagValue })
|
||||
aeadForced = (isAeadForced == "true")
|
||||
|
||||
if isAeadForced == "true_by_default_2022" {
|
||||
aeadForced = true
|
||||
aeadForced2022 = true
|
||||
}
|
||||
}
|
||||
|
||||
@ -12,9 +12,8 @@ import (
|
||||
func (h *Handler) handleSwitchAccount(cmd *protocol.CommandSwitchAccount) {
|
||||
rawAccount := &vmess.Account{
|
||||
Id: cmd.ID.String(),
|
||||
AlterId: uint32(cmd.AlterIds),
|
||||
SecuritySettings: &protocol.SecurityConfig{
|
||||
Type: protocol.SecurityType_LEGACY,
|
||||
Type: protocol.SecurityType_AUTO,
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
@ -128,11 +128,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
||||
input := link.Reader
|
||||
output := link.Writer
|
||||
|
||||
isAEAD := false
|
||||
if !aeadDisabled && len(account.AlterIDs) == 0 {
|
||||
isAEAD = true
|
||||
}
|
||||
|
||||
hashkdf := hmac.New(sha256.New, []byte("VMessBF"))
|
||||
hashkdf.Write(account.ID.Bytes())
|
||||
|
||||
@ -144,7 +139,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
||||
newCtx, newCancel = context.WithCancel(context.Background())
|
||||
}
|
||||
|
||||
session := encoding.NewClientSession(ctx, isAEAD, protocol.DefaultIDHash, int64(behaviorSeed))
|
||||
session := encoding.NewClientSession(ctx, int64(behaviorSeed))
|
||||
sessionPolicy := h.policyManager.ForLevel(request.User.Level)
|
||||
|
||||
ctx, cancel := context.WithCancel(ctx)
|
||||
@ -233,7 +228,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
||||
|
||||
var (
|
||||
enablePadding = false
|
||||
aeadDisabled = false
|
||||
)
|
||||
|
||||
func shouldEnablePadding(s protocol.SecurityType) bool {
|
||||
@ -251,9 +245,4 @@ func init() {
|
||||
if paddingValue != defaultFlagValue {
|
||||
enablePadding = true
|
||||
}
|
||||
|
||||
isAeadDisabled := platform.NewEnvFlag("xray.vmess.aead.disabled").GetValue(func() string { return defaultFlagValue })
|
||||
if isAeadDisabled == "true" {
|
||||
aeadDisabled = true
|
||||
}
|
||||
}
|
||||
|
||||
@ -6,146 +6,39 @@ import (
|
||||
"hash/crc64"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
"github.com/xtls/xray-core/common"
|
||||
"github.com/xtls/xray-core/common/dice"
|
||||
"github.com/xtls/xray-core/common/protocol"
|
||||
"github.com/xtls/xray-core/common/serial"
|
||||
"github.com/xtls/xray-core/common/task"
|
||||
"github.com/xtls/xray-core/proxy/vmess/aead"
|
||||
)
|
||||
|
||||
const (
|
||||
updateInterval = 10 * time.Second
|
||||
cacheDurationSec = 120
|
||||
)
|
||||
|
||||
type user struct {
|
||||
user protocol.MemoryUser
|
||||
lastSec protocol.Timestamp
|
||||
}
|
||||
|
||||
// TimedUserValidator is a user Validator based on time.
|
||||
type TimedUserValidator struct {
|
||||
sync.RWMutex
|
||||
users []*user
|
||||
userHash map[[16]byte]indexTimePair
|
||||
hasher protocol.IDHash
|
||||
baseTime protocol.Timestamp
|
||||
task *task.Periodic
|
||||
users []*protocol.MemoryUser
|
||||
|
||||
behaviorSeed uint64
|
||||
behaviorFused bool
|
||||
|
||||
aeadDecoderHolder *aead.AuthIDDecoderHolder
|
||||
|
||||
legacyWarnShown bool
|
||||
}
|
||||
|
||||
type indexTimePair struct {
|
||||
user *user
|
||||
timeInc uint32
|
||||
|
||||
taintedFuse *uint32
|
||||
}
|
||||
|
||||
// NewTimedUserValidator creates a new TimedUserValidator.
|
||||
func NewTimedUserValidator(hasher protocol.IDHash) *TimedUserValidator {
|
||||
func NewTimedUserValidator() *TimedUserValidator {
|
||||
tuv := &TimedUserValidator{
|
||||
users: make([]*user, 0, 16),
|
||||
userHash: make(map[[16]byte]indexTimePair, 1024),
|
||||
hasher: hasher,
|
||||
baseTime: protocol.Timestamp(time.Now().Unix() - cacheDurationSec*2),
|
||||
users: make([]*protocol.MemoryUser, 0, 16),
|
||||
aeadDecoderHolder: aead.NewAuthIDDecoderHolder(),
|
||||
}
|
||||
tuv.task = &task.Periodic{
|
||||
Interval: updateInterval,
|
||||
Execute: func() error {
|
||||
tuv.updateUserHash()
|
||||
return nil
|
||||
},
|
||||
}
|
||||
common.Must(tuv.task.Start())
|
||||
return tuv
|
||||
}
|
||||
|
||||
// visible for testing
|
||||
func (v *TimedUserValidator) GetBaseTime() protocol.Timestamp {
|
||||
return v.baseTime
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) generateNewHashes(nowSec protocol.Timestamp, user *user) {
|
||||
var hashValue [16]byte
|
||||
genEndSec := nowSec + cacheDurationSec
|
||||
genHashForID := func(id *protocol.ID) {
|
||||
idHash := v.hasher(id.Bytes())
|
||||
genBeginSec := user.lastSec
|
||||
if genBeginSec < nowSec-cacheDurationSec {
|
||||
genBeginSec = nowSec - cacheDurationSec
|
||||
}
|
||||
for ts := genBeginSec; ts <= genEndSec; ts++ {
|
||||
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
|
||||
idHash.Sum(hashValue[:0])
|
||||
idHash.Reset()
|
||||
|
||||
v.userHash[hashValue] = indexTimePair{
|
||||
user: user,
|
||||
timeInc: uint32(ts - v.baseTime),
|
||||
taintedFuse: new(uint32),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
account := user.user.Account.(*MemoryAccount)
|
||||
|
||||
genHashForID(account.ID)
|
||||
for _, id := range account.AlterIDs {
|
||||
genHashForID(id)
|
||||
}
|
||||
user.lastSec = genEndSec
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) removeExpiredHashes(expire uint32) {
|
||||
for key, pair := range v.userHash {
|
||||
if pair.timeInc < expire {
|
||||
delete(v.userHash, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) updateUserHash() {
|
||||
now := time.Now()
|
||||
nowSec := protocol.Timestamp(now.Unix())
|
||||
|
||||
v.Lock()
|
||||
defer v.Unlock()
|
||||
|
||||
for _, user := range v.users {
|
||||
v.generateNewHashes(nowSec, user)
|
||||
}
|
||||
|
||||
expire := protocol.Timestamp(now.Unix() - cacheDurationSec)
|
||||
if expire > v.baseTime {
|
||||
v.removeExpiredHashes(uint32(expire - v.baseTime))
|
||||
}
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) Add(u *protocol.MemoryUser) error {
|
||||
v.Lock()
|
||||
defer v.Unlock()
|
||||
|
||||
nowSec := time.Now().Unix()
|
||||
v.users = append(v.users, u)
|
||||
|
||||
uu := &user{
|
||||
user: *u,
|
||||
lastSec: protocol.Timestamp(nowSec - cacheDurationSec),
|
||||
}
|
||||
v.users = append(v.users, uu)
|
||||
v.generateNewHashes(protocol.Timestamp(nowSec), uu)
|
||||
|
||||
account := uu.user.Account.(*MemoryAccount)
|
||||
account := u.Account.(*MemoryAccount)
|
||||
if !v.behaviorFused {
|
||||
hashkdf := hmac.New(sha256.New, []byte("VMESSBSKDF"))
|
||||
hashkdf.Write(account.ID.Bytes())
|
||||
@ -159,25 +52,6 @@ func (v *TimedUserValidator) Add(u *protocol.MemoryUser) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) Get(userHash []byte) (*protocol.MemoryUser, protocol.Timestamp, bool, error) {
|
||||
v.RLock()
|
||||
defer v.RUnlock()
|
||||
|
||||
v.behaviorFused = true
|
||||
|
||||
var fixedSizeHash [16]byte
|
||||
copy(fixedSizeHash[:], userHash)
|
||||
pair, found := v.userHash[fixedSizeHash]
|
||||
if found {
|
||||
user := pair.user.user
|
||||
if atomic.LoadUint32(pair.taintedFuse) == 0 {
|
||||
return &user, protocol.Timestamp(pair.timeInc) + v.baseTime, true, nil
|
||||
}
|
||||
return nil, 0, false, ErrTainted
|
||||
}
|
||||
return nil, 0, false, ErrNotFound
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) GetAEAD(userHash []byte) (*protocol.MemoryUser, bool, error) {
|
||||
v.RLock()
|
||||
defer v.RUnlock()
|
||||
@ -199,10 +73,10 @@ func (v *TimedUserValidator) Remove(email string) bool {
|
||||
email = strings.ToLower(email)
|
||||
idx := -1
|
||||
for i, u := range v.users {
|
||||
if strings.EqualFold(u.user.Email, email) {
|
||||
if strings.EqualFold(u.Email, email) {
|
||||
idx = i
|
||||
var cmdkeyfl [16]byte
|
||||
copy(cmdkeyfl[:], u.user.Account.(*MemoryAccount).ID.CmdKey())
|
||||
copy(cmdkeyfl[:], u.Account.(*MemoryAccount).ID.CmdKey())
|
||||
v.aeadDecoderHolder.RemoveUser(cmdkeyfl)
|
||||
break
|
||||
}
|
||||
@ -219,11 +93,6 @@ func (v *TimedUserValidator) Remove(email string) bool {
|
||||
return true
|
||||
}
|
||||
|
||||
// Close implements common.Closable.
|
||||
func (v *TimedUserValidator) Close() error {
|
||||
return v.task.Close()
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) GetBehaviorSeed() uint64 {
|
||||
v.Lock()
|
||||
defer v.Unlock()
|
||||
@ -235,36 +104,6 @@ func (v *TimedUserValidator) GetBehaviorSeed() uint64 {
|
||||
return v.behaviorSeed
|
||||
}
|
||||
|
||||
func (v *TimedUserValidator) BurnTaintFuse(userHash []byte) error {
|
||||
v.RLock()
|
||||
defer v.RUnlock()
|
||||
|
||||
var userHashFL [16]byte
|
||||
copy(userHashFL[:], userHash)
|
||||
|
||||
pair, found := v.userHash[userHashFL]
|
||||
if found {
|
||||
if atomic.CompareAndSwapUint32(pair.taintedFuse, 0, 1) {
|
||||
return nil
|
||||
}
|
||||
return ErrTainted
|
||||
}
|
||||
return ErrNotFound
|
||||
}
|
||||
|
||||
/*
|
||||
ShouldShowLegacyWarn will return whether a Legacy Warning should be shown
|
||||
|
||||
Not guaranteed to only return true once for every inbound, but it is okay.
|
||||
*/
|
||||
func (v *TimedUserValidator) ShouldShowLegacyWarn() bool {
|
||||
if v.legacyWarnShown {
|
||||
return false
|
||||
}
|
||||
v.legacyWarnShown = true
|
||||
return true
|
||||
}
|
||||
|
||||
var ErrNotFound = newError("Not Found")
|
||||
|
||||
var ErrTainted = newError("ErrTainted")
|
||||
|
||||
@ -5,7 +5,6 @@ import (
|
||||
|
||||
"github.com/xtls/xray-core/common"
|
||||
"github.com/xtls/xray-core/common/protocol"
|
||||
"github.com/xtls/xray-core/common/serial"
|
||||
"github.com/xtls/xray-core/common/uuid"
|
||||
. "github.com/xtls/xray-core/proxy/vmess"
|
||||
)
|
||||
@ -16,81 +15,9 @@ func toAccount(a *Account) protocol.Account {
|
||||
return account
|
||||
}
|
||||
|
||||
func TestUserValidator(t *testing.T) {
|
||||
hasher := protocol.DefaultIDHash
|
||||
v := NewTimedUserValidator(hasher)
|
||||
defer common.Close(v)
|
||||
|
||||
id := uuid.New()
|
||||
user := &protocol.MemoryUser{
|
||||
Email: "test",
|
||||
Account: toAccount(&Account{
|
||||
Id: id.String(),
|
||||
}),
|
||||
}
|
||||
common.Must(v.Add(user))
|
||||
|
||||
{
|
||||
testSmallLag := func(lag int64) {
|
||||
ts := int64(v.GetBaseTime()) + lag + 240
|
||||
idHash := hasher(id.Bytes())
|
||||
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
|
||||
userHash := idHash.Sum(nil)
|
||||
|
||||
euser, ets, found, _ := v.Get(userHash)
|
||||
if !found {
|
||||
t.Fatal("user not found")
|
||||
}
|
||||
if euser.Email != user.Email {
|
||||
t.Error("unexpected user email: ", euser.Email, " want ", user.Email)
|
||||
}
|
||||
if int64(ets) != ts {
|
||||
t.Error("unexpected timestamp: ", ets, " want ", ts)
|
||||
}
|
||||
}
|
||||
|
||||
testSmallLag(0)
|
||||
testSmallLag(40)
|
||||
testSmallLag(-40)
|
||||
testSmallLag(80)
|
||||
testSmallLag(-80)
|
||||
testSmallLag(120)
|
||||
testSmallLag(-120)
|
||||
}
|
||||
|
||||
{
|
||||
testBigLag := func(lag int64) {
|
||||
ts := int64(v.GetBaseTime()) + lag + 240
|
||||
idHash := hasher(id.Bytes())
|
||||
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
|
||||
userHash := idHash.Sum(nil)
|
||||
|
||||
euser, _, found, _ := v.Get(userHash)
|
||||
if found || euser != nil {
|
||||
t.Error("unexpected user")
|
||||
}
|
||||
}
|
||||
|
||||
testBigLag(121)
|
||||
testBigLag(-121)
|
||||
testBigLag(310)
|
||||
testBigLag(-310)
|
||||
testBigLag(500)
|
||||
testBigLag(-500)
|
||||
}
|
||||
|
||||
if v := v.Remove(user.Email); !v {
|
||||
t.Error("unable to remove user")
|
||||
}
|
||||
if v := v.Remove(user.Email); v {
|
||||
t.Error("remove user twice")
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkUserValidator(b *testing.B) {
|
||||
for i := 0; i < b.N; i++ {
|
||||
hasher := protocol.DefaultIDHash
|
||||
v := NewTimedUserValidator(hasher)
|
||||
v := NewTimedUserValidator()
|
||||
|
||||
for j := 0; j < 1500; j++ {
|
||||
id := uuid.New()
|
||||
|
||||
@ -1,4 +0,0 @@
|
||||
package vmess
|
||||
|
||||
// example
|
||||
const AlterID = "VMessCtxInterface_AlterID"
|
||||
Loading…
Reference in New Issue
Block a user